#coding:utf-8
'''
    author='chenyong'
    time='2017/10/19'
'''
import time,datetime
a = (2017,10,19,11,30,0,0,0,0)
startTime = time.mktime(a)
print startTime
iT = int(startTime)
f= open('time.txt','a')
for i in xrange(144):
    iT += 1800
    sT=time.strftime('%H:%M',time.gmtime(iT))
    f.write('\"'+sT+'\"'+',')